Android Open Source - bitcoin-wallet Base58 Hash160

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From Project

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License

The source code is released under:

Copyright (C) 2011 by Caleb Anderson Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the ...

Java Source Code

package net.dirtyfilthy.bitcoin.core;
/*w  ww  .  j  a  v a  2  s.  co m*/
import java.security.interfaces.ECPublicKey;
import java.text.ParseException;

import net.dirtyfilthy.bitcoin.protocol.ProtocolVersion;
import net.dirtyfilthy.bitcoin.util.Base58;
import net.dirtyfilthy.bitcoin.util.HashTools;
import net.dirtyfilthy.bitcoin.util.KeyTools;

 
public class Base58Hash160 {
  private byte[] hash160;
  private String hash;
  public Base58Hash160(ECPublicKey k){
    byte[] encoded=KeyTools.encodePublicKey(k);
    hash160=HashTools.ripemd160(HashTools.sha256(encoded));
    byte[] toEncode=new byte[hash160.length+1];
    toEncode[0]=ProtocolVersion.addressVersion();
    System.arraycopy(hash160, 0, toEncode, 1, hash160.length);
    hash=Base58.encodeCheck(toEncode);
  }
  
  public Base58Hash160(String address) throws ParseException{
    byte[] decoded=Base58.decodeCheck(address);
    hash=address;
    hash160=new byte[decoded.length-1];
    System.arraycopy(decoded, 1, hash160, 0, hash160.length);
  }
  
  public byte[] hash160(){
    return hash160;
  }


  public String toString(){
    return hash;
  }
    
}

Java Source Code List

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